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ECM power supply lost with ignition turned on...
02-13-2018, (Subject: ECM power supply lost with ignition turned on... ) 
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Rawze Offline
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RE: ECM power supply lost with ignition turned on...
Cummins code 1117 (Power Supply Lost With Ignition On - ...) is also commonly seen during re-programming of the ECM. The code is basically saying that the ECM has been reset for some reason without the power being cycled properly. It is quite normal to see the code pop up after a flash, then need to be cleared once... but for it to happen without someone re-flashing the ECM is not common to see at all. It is usually related to power wiring issues either by the main power harness or the ignition switch circuits.

I would not rule out a corrupt ECM program or a failing ECM possibly causing it too.

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RE: ECM power supply lost with ignition turned on... - Rawze - 02-13-2018



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